| ID | | Physical quantity | ID |
| Watershed | | Nominal | Watershed name. Watershed name (1D=annual burn replicate D; 4B=4-year burn replicate B; 4F=4-year burn replicate F; 20B=20-year burn replicate B; SpB=annual spring seasonal burn replicate B; SuB=annual or biennial summer seasonal burn replicate B; R1A=reversal burn schedule from 20-year to annual burn replicate A; R20A=reversal burn from annual to 20-year burn replicate A. Reversal treatments were initiated in 2000). |
| Transect | | Nominal | Transect. N, S, E, W; total transect length is 285m. |
| TrapStation | | Physical quantity | Trap Station. numbered 1-20 per linear transect; each trap station is spaced 15m apart; two traps are set concurrently at each trap station; station 1 is always northernmost, station 20 is always southernmost for each transect. |
| Latitude | | Nominal | Latitude. Latitude downloaded from GPS |
| Longitude | | Nominal | Longitude. Longitude downloaded from GPS |
| Elevation | | Physical quantity | Elevation. Elevation downloaded from GPS |
